<table cellspacing='0' cellpadding='0' border='0' ><tr><td valign='top' style='font: inherit;'>hi<br>could u please make a debug of isdn q.931 call setup please for 5 minutes or more<br>and show it to us in text file so we can see a clear image of the problem.<br><br>--- On <b>Fri, 7/18/08, keli@carocomp.ro <i><keli@carocomp.ro></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">From: keli@carocomp.ro <keli@carocomp.ro><br>Subject: Re: [cisco-voip] ISDN PRI channel stuck in busy status?<br>To: cisco-voip@puck.nether.net<br>Date: Friday, July 18, 2008, 2:28 PM<br><br><pre>Any ideas on this?<br><br>The ten channels seem to "fill up" with busy channels after about<br>half <br>a day or so of normal call traffic (2-3 simultaneous calls usually).<br><br>thanks,<br> Zoltan<br><br>Quoting Kelemen Zoltan <keli@carocomp.ro>:<br><br>> Hi!<br>><br>> We have a CCME, 4.2(0),
IOS: 12.4(11)XW6 with a partial E1.<br>><br>> When examining some complaints, that the client was unable to place<br>> more than a few calls outside and most of incoming calls failed to<br>> reach them, I found the ISDN interface with more busy channels than<br>> active voice calls.<br>><br>> Below I attached an example, where channel 9 is stuck (on channel 10 I<br>> might have just catched a call that just disconnected, but channel 9<br>> was continuously stuck busy with no active call on it.).<br>><br>> This is relatively light, since there's still 9 other channels for<br>> light traffic, but I have seen this interface with 8 or even all ten<br>> channels stuck. So far I haven't found any other way to solve it<br>but<br>> to restart the serial interface.<br>><br>> Any ideas what could be going wrong? Or at least if it's possible to<br>> recover a channel from that state, other than restarting
the interface?<br>><br>> Thanks,<br>> Zoltan<br>><br>><br>> ccme#sh isdn stat ser 0/0/0:15<br>> Global ISDN Switchtype = primary-net5<br>> ISDN Serial0/0/0:15 interface<br>> dsl 0, interface ISDN Switchtype = primary-net5<br>> Layer 1 Status:<br>> ACTIVE<br>> Layer 2 Status:<br>> TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED<br>> Layer 3 Status:<br>> 1 Active Layer 3 Call(s)<br>> CCB:callid=2707, sapi=0, ces=0, B-chan=9, calltype=VOICE<br>> CCB:callid=A622, sapi=0, ces=0, B-chan=8, calltype=VOICE<br>> CCB:callid=A627, sapi=0, ces=0, B-chan=10, calltype=VOICE<br>> CCB:callid=270E, sapi=0, ces=0, B-chan=7, calltype=VOICE<br>> Active dsl 0 CCBs = 4<br>> The Free Channel Mask: 0x8000003F<br>> Number of L2 Discards = 0, L2 Session ID = 113<br>><br>><br>> ccme#sh isdn serv ser 0/0/0:15<br>> PRI Channel
Statistics:<br>> ISDN Se0/0/0:15, Channel [1-31]<br>> Configured Isdn Interface (dsl) 0<br>> Channel State (0=Idle 1=Proposed 2=Busy 3=Reserved 4=Restart<br>5=Maint_Pend)<br>> Channel : 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0<br>1<br>> State : 0 0 0 0 0 0 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3<br>3<br>> Service State (0=Inservice 1=Maint 2=Outofservice 8=MaintPend 9=OOSPend)<br>> Channel : 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0<br>1<br>> State : 0 0 0 0 0 0 0 0 0 0 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2<br>2<br>><br>><br>><br>> ccme#sh voice call 0/0/0:15 0/0/0:15 1 - - -<br>> 0/0/0:15 2 - - - 0/0/0:15 3 -<br>> - - 0/0/0:15 4 - - -<br>> 0/0/0:15 5 - - - 0/0/0:15 6 - -<br>> - 0/0/0:15 7<br>> vtsp
level 0 state = S_CONNECT<br>> callid 0x270E B07 state S_TSP_CONNECT clld 100 cllg 7518XXXXX<br>> 0/0/0:15 8<br>> vtsp level 0 state = S_CONNECT<br>> callid 0xA622 B08 state S_TSP_CONNECT clld 07499XXXXX cllg 113<br>> 0/0/0:15 9 - - - 0/0/0:15 10- -<br>> - -------------------------------- configuration<br>><br>> controller E1 0/0/0<br>> framing NO-CRC4<br>> clock source internal<br>> pri-group timeslots 1-10,16<br>> !<br>> interface Serial0/0/0:15<br>> no ip address<br>> encapsulation hdlc<br>> isdn switch-type primary-net5<br>> isdn overlap-receiving<br>> isdn incoming-voice voice<br>> isdn send-alerting<br>> isdn sending-complete<br>> no cdp enable<br>> !<br>><br>> _______________________________________________<br>> cisco-voip mailing list<br>> cisco-voip@puck.nether.net<br>>
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